[PATCH] drm/amdgpu: disable BACO support for 699F:C7 polaris12 SKU temporarily

[Alex Deucher]

On Fri, Aug 13, 2021 at 9:54 AM Alex Deucher <alexdeucher at gmail.com> wrote:
>
> Acked-by: Alex Deucher <alexander.deucher at amd.com>
>
> On Fri, Aug 13, 2021 at 4:09 AM Evan Quan <evan.quan at amd.com> wrote:
> >
> > We have a S3 issue on that SKU with BACO enabled. Will bring back this
> > when that root caused.
> >

Actually it might be worth checking the SSIDs as well assuming this is
platform specific.

Alex

> > Change-Id: I56d4830e6275e20a415808896eecbadfe944070b
> > Signed-off-by: Evan Quan <evan.quan at amd.com>
> > ---
> >  drivers/gpu/drm/amd/amdgpu/vi.c | 7 ++++++-
> >  1 file changed, 6 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
> > index fe9a7cc8d9eb..7210f80815b8 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/vi.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/vi.c
> > @@ -904,7 +904,12 @@ static bool vi_asic_supports_baco(struct amdgpu_device *adev)
> >         case CHIP_POLARIS11:
> >         case CHIP_POLARIS12:
> >         case CHIP_TOPAZ:
> > -               return amdgpu_dpm_is_baco_supported(adev);
> > +               /* Disable BACO support for the specific polaris12 SKU temporarily */
> > +               if ((adev->pdev->device == 0x699F) &&
> > +                   (adev->pdev->revision == 0xC7))
> > +                       return false;
> > +               else
> > +                       return amdgpu_dpm_is_baco_supported(adev);
> >         default:
> >                 return false;
> >         }
> > --
> > 2.29.0
> >